Home / 31,036.43-46,534.61-13,278.68

Finding the Fourth Proportional to 31,036.43, 46,534.61 and 13,278.68

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Solution

The fourth proportional to 31,036.43, 46,534.61 and 13,278.68 is: 19,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,036.43 : 46,534.61 = 13,278.68 : x
  2. Step 2: Convert to fraction form
    31,036.43/46,534.61 = 13,278.68/x
  3. Step 3: Cross multiply
    31,036.43x = 46,534.61 × 13,278.68
  4. Step 4: Simplify right side
    31,036.43x = 617,917,995.64
  5. Step 5: Solve for x
    x = 617,917,995.64/31,036.43
  6. Step 6: Final answer
    x = 19,909.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.